Home / 4,262,145.75-6,393,222.68-1,188,013.77

Finding the Fourth Proportional to 4,262,145.75, 6,393,222.68 and 1,188,013.77

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Solution

The fourth proportional to 4,262,145.75, 6,393,222.68 and 1,188,013.77 is: 1,782,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262,145.75 : 6,393,222.68 = 1,188,013.77 : x
  2. Step 2: Convert to fraction form
    4,262,145.75/6,393,222.68 = 1,188,013.77/x
  3. Step 3: Cross multiply
    4,262,145.75x = 6,393,222.68 × 1,188,013.77
  4. Step 4: Simplify right side
    4,262,145.75x = 7,595,236,572,576.24
  5. Step 5: Solve for x
    x = 7,595,236,572,576.24/4,262,145.75
  6. Step 6: Final answer
    x = 1,782,021.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.